Car-coupling.



0 N. HEADDING.

CAR COUPLING.

APPLICATION men AUG. 11. 1916.

Patented Sept; 4, 1917-.

CLAY N. HEAIDDING, OF CHEHALIS, W'ASHINGTON, ASSIGNOR OF ONE-THIRD T0GEORGE A. HANSEN, 0F CENTRALIA, WASHINGTON, AND ONE-SIXTH TO CHARLES B.HEAD- IDING- AND IN GTON.

Application filed August 17, 1916.

To all whom it may concern:

Be it known that I, CLAY N. HEAD ING, a citizen of the United States,residing at Chehalis, in the county of Lewis and State of l/Vashington,have invented new and useful Improvements in Car-Couplings, of which thefollowing is a specification.

This invention relates to an improvement in car couplings, proposing acoupling of the general type shown in the patent to Schaefi'e'r N 0.567,866 of September 15, 1896.

The present coupling may be regarded as an improvement on the couplingshown in the Schaefler patent referred to, and as such,

its objects are to provide a coupling having all the advantages of theSchaelfer coupling and which moreover will be adaptable to extremecurves and will have a wider field of useful application, being capableof advantageous use by virtue of the improvements to be hereafterexplained, on street cars, dump cars and logging trucks.

An embodiment of the invention is illustrated in the accompanyingdrawings, wherein Figure 1 is a perspective view of the improvedcoupler;

Fig. 2 is a plan view, the pin being shown in section;

Fig. 3 is a longitudinal sectional view showing the pin in itsinoperative position;

Fig. 4 is a longitudinal sectional view on the line 4-4 of Fig. 2showing the pin in its operative position;

Fig. 5 is a perspective view of the pinsupporting head.

Similar characters of reference designate corresponding parts throughoutthe several views.

The coupling includes a draw head 1 having a mouth 2 in its end for theentrance of the link, said mouth having outwardly flaring side walls andopening into a chamber 3 located in the body of the draw head andextending rearwardly for an appropriate distance.

The coupling also includes a vertically movable pin a, a link 5 and asupporting head 6 for said pin. The head 6 is disposed in the chamber 3,the bottom of which is stepped and includes a base 7 and a shelf orledge 8 located in the rear of said base at an elevation slightly lessthan midway between Specification of Letters Patent.

ONE-SIXTH TO NEWTON J. HEADDING, BOTH OF CHEHALIS, WASH- CAR-COUPLING.

Patented Sept. 4L, 191% Serial No. 115,430..

said base and the upper face of the draw head.

The chamber 3 communicates with an opening 9 in the upper face of thedraw head (Figs. 1 and 2), which opening is normally closed by aremovable dust guard or plate 10. V

.The head 6 has a forward portion of greater vertical depth or thicknessthan its rearward portion; and the under face of said head is ofrearwardly and upwardly oblique form, as at 11. i The enlarged forwardportion of the head 6 rests upon the base 7 when the coupling is not inuse and the oblique or cam face 11 engages the upper front edge of theledge or shelf 8 whereby said ledge or shelf supports the rear portionof the head and causes the head to have a generally forward and downwardinclination. The head 6 is provided with a central forward extension orrib 12 which, when the coupling is not in use, engages under the lowerend of the pin 4, as shown in Fig. 3. The said pin, Which has a roundcross section, is slidable through alining vertical openings let and 15which are located Within the area of the flaring mouth 2.

In the use of the coupling, the link 5 is inserted inthe flaring mouth 2in the well known manner and ultimately engages the rib 12, the furtherinward movement of said link pushing the head 6 rearwardly until the rib12 passes from under the pin 4, at which time said pin drops, bygravity, through the openings 14 and 15 until its downward movement isarrested by the en agement of its headed upper end 16 upon tlie upperface of the draw head. In connection with the rearward movement of thehead 6 by the link 5, the forward end of said head is canted upwardlyand ultimately comes to rest upon that portion of the link 5 which isdisposed in the rear of the pin 4;. The weight of the forward portion ofthe head 6 on the link 5 tends to coimter-balance said link and to holdit in a true horizontal positon so that it will freely enter an oppositedraw head.

For the purpose of guiding the head 6 in its movements and of limitingthe forward movement of the head when the link 5 is removed, the sidewalls of the chamber 3 are provided with perpendicular front shoulders17 and with rearwardly and upwardly inclined rear shoulders 18; and thehead is provlded at lts sides wlth triangular lugs 19 for cooperationWith the shoulders 17 and 18. lVhen the head 6 comes into its lowermostposition, as indicated in Fig. 3 the lugs 19 engage the shoulders 10 attheir lower ends; and during the rearward movement oi said head, thelugs 19 ride along the shoulders 18 which also serve as a gulde for saidhead in its forward and downward movement, i. (2., from the positionshown in Fig. l to the position shown in Fig. 3.

The opening let for the pin -l is located somewhat in advance of thechamber 3 which ineloses the head 6 and is connected with said chamberand also with the opening 9 by a narrow slot 20 through which the rib 12works.

I claim- In a coupling, adraw head having a mouth provided withoutwardly flaring side walls, alining vertical openings within the areaof said mouth above and below the same, an internal chamber in the rearof said mouth Copies of this patent may be obtained lbr five cents each,by addressing the Gom mi'ssi oner of Pa-lant'm- I havin r arr-elevated;le'd e: or shelf in the rear b portlon thereof, and a narrow slotextending between the upper of said vertical openings and saidcliiainloer a pin of round, cross section movable through said openings,a pin supporting head arranged within. said chamber,. said head havingits forward'portion of greater vertical depth than its rear portion andprovided with a central forwardly projecting rib which extends throughsaid slot for engagement under said pin when the latter is elevated, therear portion of said head engaging said shelf, and means for supportingsaid head inthe pin-supporting sosition thereof in a forwardly anddownwardly inclined position.

In testimony whereof I have hereunto set my hand in presence of twosubscribing witnesses.

CLAY N. HEADDING.

lVitn-esses ISAAC KENT, G. M; Lorne.

Washington, I). CL.

